Auto boxing followed by widening

//Auto boxing followed by widening is allowed.
//byte  --to---> Byte   ---to--->  Object ------>allow
class Sc1 
           {
              public static  void  m1(Object o)
            {
                System.out.println("Object");
            }
            public static void main(String a[])
            {
                byte b=5;
                m1(b);     //Object
            }            
        }